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Choisya dumosa var. arizonica 'Whetstone'

Mexican orange 'Whetstone'

An evergreen shrub, with dark green leaves divided into five narrow leaflets with slightly scalloped edges. Clusters of large, lightly scented white flowers are produced in late spring or early summer. Leaves sometimes tint red in winter

Synonyms
Choisya arizonica 'Whetstone'
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Size
Ultimate height
1–1.5 metres
Time to ultimate height
5–10 years
Ultimate spread
1–1.5 metres
Growing conditions
Chalk
Loam
Sand
Moisture
Well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring White Green
Summer White Green
Autumn Green
Winter Green
Position
  • Full sun
Aspect

South–facing or West–facing

Exposure
Sheltered
Drought resistance
Yes
Hardiness
H3
Botanical details
Family
Rutaceae
Native to GB / Ireland
No
Foliage
Evergreen
Habit
Bushy
Genus

Choisya are evergreen shrubs with aromatic, palmately divided leaves and fragrant star-shaped white flowers

Name status

Unresolved

How to grow

Cultivation

Grow in a sheltered position in full sun; needs excellent drainage and will not tolerate winter wet. Provide winter protection in all but the mildest areas, or grow in containers that can be moved indoors over winter

Propagation

Propagate by semi-hardwood cuttings

Suggested planting locations and garden types
  • City and courtyard gardens
  • Cottage and informal garden
  • Mediterranean climate plants
  • Conservatory and greenhouse
  • Flower borders and beds
  • Wall side borders
Pruning

Pruning group 8

Pests

May be susceptible to red spider mite and snails

Diseases

May be susceptible to honey fungus

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